Install a ANT751 above the roof in such a manner that the reception is not impeded and blocked by the roof and building in the directions of , South West , West , North West , North , North East , East , South East.
Aim the ANT751 at about 136 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Use a real and actual magnetic compass to aim the antenna.
Metal structures can alter the reading of a magnetic compass , may have to move the compass away from the building.
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Install a Winegard , LNA-100 'Boost" amplifier.
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Here are some pladces to buy antennas and etc. .
http://www.solidsignal.com.
http://www.amazon.com.
http://www.winegarddirect.com.
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